Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2007-02-13
2007-02-13
Woodward, Michael P. (Department: 1615)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C424S400000, C424S424000, C424S489000, C424S470000
Reexamination Certificate
active
11302894
ABSTRACT:
A method for manufacturing a pharmaceutical composition having uniform drug distribution and potency is described which utilizes silicon dioxide to reduce the loss of active ingredient during the manufacturing process. The method is particularly useful for the manufacture of low dosage tablet compositions.
REFERENCES:
patent: 3725556 (1973-04-01), Hanssen et al.
patent: 4013785 (1977-03-01), Weintraub et al.
patent: 4254099 (1981-03-01), Asmussen et al.
patent: 4489026 (1984-12-01), Yalkowsky
patent: 5004613 (1991-04-01), Radebaugh et al.
patent: 5047246 (1991-09-01), Gallian et al.
patent: 5134127 (1992-07-01), Stella et al.
patent: 5376645 (1994-12-01), Stella et al.
patent: 5464632 (1995-11-01), Cousin et al.
patent: 5552412 (1996-09-01), Cameron et al.
patent: 5726168 (1998-03-01), Cullinan et al.
patent: 5733578 (1998-03-01), Hunter et al.
patent: 5747068 (1998-05-01), Mendizabal
patent: 5861141 (1999-01-01), Mendizabal
patent: 5879706 (1999-03-01), Carter et al.
patent: 5916916 (1999-06-01), Hauser et al.
patent: 5928668 (1999-07-01), Greaves et al.
patent: 5962475 (1999-10-01), Schmid et al.
patent: 5976570 (1999-11-01), Greaves et al.
patent: 6080427 (2000-06-01), Remon
patent: 6090410 (2000-07-01), Bechard et al.
patent: 6107331 (2000-08-01), MacLean et al.
patent: 6153746 (2000-11-01), Shah et al.
patent: 6300367 (2001-10-01), Taylor et al.
patent: 0503521 (1992-09-01), None
patent: 0700680 (1996-03-01), None
patent: 1570993 (1980-07-01), None
patent: WO 9716434 (1997-05-01), None
patent: WO 0115724 (2001-03-01), None
Lieberman, et al.,Pharmaceutical Dosage Forms, pp. 40-57 (1990).
Holm, P.,Department of Pharmaceutics Royal Danish School of Pharmacy, “Granulation in Fielder PMAT 25 MG”, (1984).
PCT Search Report PCT/IB02/00766.
Benson Gregg C.
Pfizer Inc.
Silverman Eric E.
Wichtowski John A.
Woodward Michael P.
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